Zip-Fix Cavity Wall Fixing Heavy duty cavity wall anchor for use in plasterboards, most hollow concrete blocks, cavity walls and ceilings. Pack includes both 40mm and 60mm screws for a wider variety of fixture thicknesses. Two sizes of zinc pan head machine screws (M6 x 40 and M6 x 60) for varying fixture thicknesses Rapid installation, just Zip & Fix Please note: The nylon arms are for installation purposes only. Once removed this fixing becomes all-metal and has an improved fire resistance All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire. M6 x 40 x m6 x 60 NOTE: Nylon arms are for installation purposes only and once the fixing is in place, Zip-Fix becomes an all steel, non-flammable fixing.
